echinoidea (HyperDic hyper-dictionary)

English > 1 sense of the word *Echinoidea*:
NOUN	animal	Echinoidea, class Echinoidea	sea urchins and sand dollars

English > *Echinoidea*: 1 sense > noun 1, animal
Meaning	sea urchins and sand dollars.
Synonym	class Echinoidea
Member of	Echinodermata, phylum Echinodermata	radially symmetrical marine invertebrates including e.g. starfish and sea urchins and sea cucumbers
Members	Exocycloida, order Exocycloida	Flat sea urchins
	Spatangoida, order Spatangoida	heart-shaped sea urchins
	sea urchin	shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
Broader	class	(biology) a taxonomic group containing one or more orders
Spanish	clase Echinoidea, Echinoidea, equinoideos
Catalan	Echinoidea

HyperDic: echinoidea